Daikin DRC Series Installation Instructions Manual

Light commercial packaged air conditioner unit 7.5 to 12.5 ton

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DRC SERIES

LIGHT COMMERCIAL PACKAGED AIR CONDITIONER UNIT 7.5 TO 12.5 TON

INSTALLATION INSTRUCTIONS

ATTENTION INSTALLING PERSONNEL:

Prior to installation, thoroughly familiarize yourself with this Installation

Manual. Observe all safety warnings. During installation or repair,

caution is to be observed.

It is your responsibility to install the product safely and to educate the

customer on its safe use.

RECOGNIZE THIS SYMBOL

AS A SAFETY PRECAUTION

These installation instructions cover the outdoor installation of

single package heating and cooling units. See the Specification

Sheet applicable to your model for information regarding

accessories.

NOTE: Please contact your distributor or our website for the

applicable Specification Sheet referred to in this manual.

IOD-1034A

01/2021

Our continuing commitment to quality products may mean a change in specifications without notice.

19001 Kermier Rd., Waller, TX 77484

www.daikincomfort.com

INSTALLATION INSTRUCTIONS

Only personnel that have been trained to install, adjust, service

or repair(hereinafter, "service") the equipment specified in this

manual should service the equipment. The manufacturer will not

be responsible for any injury or property damage arising from

improper service or service procedures. If you service this unit,

you assume responsibility for any injury or property damage

which may result. In addition, in jurisdictions that require one or

more licenses to service the equipment specified in this manual,

only licensed personnel should service the equipment.

Improper installation, adjustment, servicing or repair of the

equipment specified in this manual, or attempting to install,

adjust, service or repair the equipment specified in this manual

without proper training may result in product damage, property

damage, personal injury or death.

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

Cancer and Reproduc�ve Harm

www.P65Warnings.ca.gov

Replacement Parts ........................................................... 2

Safety Instructions ............................................................ 2

General Information .......................................................... 2

Unit Location..................................................................... 3

Clearances ....................................................................... 4

Roof Curb Post-Installation Checks.................................. 4

Roof Top Duct Connections .............................................. 5

Rigging Details ................................................................. 5

Electrical Wiring ................................................................ 7

Circulating Air and Filters.................................................. 9

Condensate Drain Connection ......................................... 9

Air Flow Adjustments ...................................................... 11

Startup, Adjustments, and Checks .................................. 14

Maintenance .................................................................... 15

Appendix A Blower Performance Tables .......................... 16

Appendix B Electrical Data .............................................. 36

Appendix C Unit Dimensions ........................................... 48

Appendix D Wiring Diagrams .......................................... 49

Appendix E Airflow for Electric Heat ................................ 53

WARNING

Index

0140M00517-A

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Summary of Contents for Daikin DRC Series

Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS DRC SERIES LIGHT COMMERCIAL PACKAGED AIR CONDITIONER UNIT 7.5 TO 12.5 TON INSTALLATION INSTRUCTIONS WARNING Only personnel that have been trained to install, adjust, service or repair(hereinafter, “service”) the equipment specified in this manual should service the equipment. The manufacturer will not be responsible for any injury or property damage arising from improper service or service procedures.
Page 2: Replacement Parts
Specification sheets can be found at www.daikinac.com Sheet metal parts, screws, clips, and similar items inherently for Daikin brand products. Within the website, please have sharp edges, and it is necessary that the installer and service personnel exercise caution.
Page 3: Pre-Installation Checks
EPA REGULATIONS 3. In case of concealed damage, carrier should be noti- fied as soon as possible-preferably within 5 days. Important: The United States Environmental Protec- 4. File the claim with the following supporting documents: tion Agency (EPA) has issued various regulations regarding the introduction and disposal of refriger- a.
Page 4: Ground Level Installations Only
• For proper operation and condensate drainage, the • Do not skid or slide on any surface as this may dam- unit must be mounted level. age unit base. The unit must be stored on a flat, level surface. Protect the condenser coil because it is easily •...
Page 5: Clearances
CLEARANCES Protrusion Inspect curb to ensure that none of the utility services (electric) routed through the curb protrude above the curb. 93-9/64" 59-21/32" CAUTION If protrusions exist, do not attempt to set unit on curb. ROOF TOP DUCT CONNECTIONS Install all duct connections on the unit before placing the unit on rooftop.
Page 6 WARNING If units are lifted two at a time, the fork holes on the condenser end of the unit must not be used. Minimum fork length is 48" to prevent damage to the unit; however, 72" is recommended. Provisions for forks have been included in the unit base frame.
Page 7: Electrical Wiring
CORNER & CENTER OF GRAVITY LOCATIONS CAUTION Note: Units should be lifted at a point above center of gravity. Conduit and fittings must be weather-tight to prevent water Corner Weights (lb) Shipping Operating Model X (in) Y (in) entry into the building. Weight Weight DRC090...
Page 8 neutral conductor. Control Box • Connect power wiring to the electrical power block located within the main control box. CONTROL BOX HIGH VOLTAGE ENTRANCE (LINE) TERMINAL BLOCK (LOW VOLTAGE) DDC Control Box THRU CURB ELECTRICAL ENTRANCE NOTE: Depending on the options installed, the location of the components may vary in some models.
Page 9: Circulating Air And Filters
Electrical Entrance and Thru Curb LOW VOLTAGE ENTRANCE .375 Low Voltage Control Wiring HIGH VOLTAGE ENTRANCE 1. A 24V thermostat must be installed for unit operation 1.375 (KNOCKOUT) unless the unit is equipped with factory installed DDC control. Refer to DDC Quick Start Guide. 2.
Page 10: Condensate Drain Connection
CONDENSATE DRAIN CONNECTION Condensate Drain Connection A 3/4” female NPT drain connection is supplied on the end of the unit and bottom of the drain pan for condensate piping. An external trap must be installed for proper condensate drainage. Use hand tight torque to attach drain fitting to the drain connection.
Page 11: Air Flow Adjustments
Filter Section Check air conditioning system startup and should be performed upon completion of the Startup, Adjustments, and Checks Remove filter section access panels and check that filters procedure. The Startup, Adjustments, and Checks are properly installed. Note airflow arrows on filter frames. procedure at outside ambients below 55°F should be limited to a readiness check of the refrigeration system with the required final check and calibration left to be completed...
Page 12: Blower Speed Selection
Blower Speed Selection The unit has one set of taps for cooling (T1-T5) and a second set of taps for heating (T6-T10). When Heat is called TB1-W1 will also call TB1-DH activating the second set of taps T6-T10. If cooling and heating is called at the same time heating will take priority and T6-T10 will be chosen by default.
Page 13 DRC Model Wiring GR (FAN) Energized during Heat Mode BR (Heating Stage 2) PU (Cooling Stage 2) ** TB1-DH is energized when the unit is in heat mode. When TB1-DH is energized, the blower motor WH (Heating Stage 1) operates at a new group of programmed speeds, T6-T10, in place of T1-T5.
Page 14: Start-Up Procedure And Checklist
Start-Up Procedure and Checklist WARNING Begin with power turned off at all disconnects. Air Conditioning Start-Up Procedure HIGH VOLTAGE 1. Ensure the thermostat is set to OFF and Fan is set to Auto. On units with DDC controls installed, use Test/ DISCONNECT ALL POWER BEFORE SERVICING Balance Menu to force the unit to Off Mode.
Page 15: Cabinet Finish Maintenance
Functional Parts CAUTION Refer to the unit Parts Catalog for a list of functional parts. Parts are available from your distributor. Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution.
Page 16: Appendix A Blower Performance Tables - Ac
APPENDIX A BLOWER PERFORMANCE TABLES - AC 7.5 Ton Cooler Standard Static Direct Drive Models: DRC0903D, DRC0904D, DRC0907D Down Flow Horizontal Flow Down Flow Horizontal Flow SPEED TAP SPEED TAP SPEED TAP SPEED TAP 2013 0.38 1863 0.31 3038 0.98 2993 0.85 1848...
Page 17 APPENDIX A BLOWER PERFORMANCE TABLES - AC 7.5 Ton Cooler High Static Direct Drive Models: DRC0903W, DRC0904W, DRC0907W Down Flow Horizontal Flow Down Flow Horizontal Flow SPEED TAP SPEED TAP SPEED SPEED 2013 0.38 1863 0.31 3586 1.66 3586 1.47 1848 0.43 1644...
Page 18 APPENDIX A BLOWER PERFORMANCE TABLES - AC 8.5Ton Cooler Standard Static Direct Drive Models: DRC1023D, DRC1024D, DRC1027D Down Flow Horizontal Flow Down Flow Horizontal Flow SPEED TAP SPEED TAP SPEED TAP SPEED TAP 2160 0.37 2209 0.36 3131 0.83 3133 0.82 1958 0.41...
Page 19 APPENDIX A BLOWER PERFORMANCE TABLES - AC 8.5Ton Cooler High Static Direct Drive Models: DRC1023W, DRC1024W, DRC1027W Down Flow Horizontal Flow 4123 1.62 4124 1.58 SPEED TAP SPEED TAP 3966 1.71 4013 1.67 2160 0.37 2209 0.36 3807 1.79 3905 1.76 1958 0.41...
Page 20 APPENDIX A BLOWER PERFORMANCE TABLES - AC 10 Ton Cooler Standard Static Direct Drive Models: DRC1203D, DRC1204D, DRC1207D Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap CFM RPM CFM RPM Speed Tap CFM RPM CFM RPM 2217 420 0.32...
Page 21 APPENDIX A BLOWER PERFORMANCE TABLES - AC 10 Ton Cooler High Static Direct Drive Models: DRC1203W, DRC1204W, DRC1207W Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 2217 2246 4794 4747 0.32 0.32 1.85 1.90 2010...
Page 22 APPENDIX A BLOWER PERFORMANCE TABLES - AC 12.5 Ton Cooler 12.5 Ton Cooler Standard Static Direct Drive Medium Static Direct Drive Models: DRC1503D, DRC1504D, DRC1507D Models: DRC1503L, DRC1504L, DRC1507L Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP...
Page 23 APPENDIX A BLOWER PERFORMANCE TABLES - AC 12.5 Ton Cooler High Static Direct Drive Models: DRC1503W, DRC1504W, DRC1507W Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP 0.46 0.44...
Page 24 APPENDIX A BLOWER PERFORMANCE DATA The following tables are provided for reference only to show DDC control settings relationship to unit CFM. Blower speed settings must be set to meet the minimum required CFM of their stages. 7.5 TON MODELS : DRC0903D, DRC0904D & DRC0907D WITH DDC CONTROLS STANDARD STATIC TO 1.7 HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC %...
Page 25 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON MODELS : DRC0903L, DRC0904L & DRC0907L WITH DDC CONTROLS MEDIUM STATIC TO 2.4 HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.24 0.31 0.38 0.49 0.58 1400...
Page 26 APPENDIX A BLOWER PERFORMANCE DATA MODELS : DRC0903W,DRC0904W & DRC0907W WITH DDC CONTROLS HIGH STATIC TO 3.5 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.29 0.42 0.53 0.67 0.73 1800 2000 0.35 0.49...
Page 27 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DRC1023D,DRC1024D & DRC1027D WITH DDC CONTROL STANDARD STATIC TO 2.4 HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.31 0.39 0.48 0.61 1600 0.37 0.46...
Page 28 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DRC1023L,DRC1024L & DRC1027L WITH DDC CONTROL MEDIUM STATIC TO 2.4 HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.25 0.37 0.48 0.66 0.81 1600 0.30...
Page 29 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DRC1023W,DRC1024W & DRC1027W WITH DDC CONTROL HIGH STATIC TO 3.5 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.23 0.32 0.43 0.61 0.80 1600 0.27...
Page 30 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DRC1203D, DRC1204D & DRC1207D WITH DDC CONTROL STANDARD STATIC TO 2.4HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 2000 0.30 0.36 0.50 0.75 2200 0.35...
Page 31 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DRC1203L, DRC1204L & DRC1207L WITH DDC CONTROL MEDIUM STATIC TO 3.5HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.27 0.33 0.50 0.59 0.78 1800 2000...
Page 32 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DRC1203W, DRC1204W & DRC1207W WITH DDC CONTROL MEDIUM STATIC TO 3.5 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.27 0.34 0.48 0.61 0.77 1800...
Page 33 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DRC1503D, DRC1504D & DRC1507D WITH DDC CONTROL STANDARD STATIC TO 3.5HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 2000 0.27 0.44 0.61 0.85 2200 0.31...
Page 34 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DRC1503L, DRC1504L & DRC1507L WITH DDC CONTROL MEDIUM STATIC TO 3.5HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 2200 0.34 0.49 0.72 0.85 1.01 2400...
Page 35 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DRC1503W, DRC1504W & DRC1507W WITH DDC CONTROL MEDIUM STATIC TO 5.0 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 2400 0.48 0.53 0.67 0.82 0.85...
Page 36: Appendix B Electrical Data
APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 39.4/39.4 50/50 9.6/8.7 49.0/48.1 60/60 3.3/3.0 42.7/42.4 50/50 9.6/8.7 3.3/3.0 52.3/51.1 60/60 39.4/39.4...
Page 37 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 19.4 23.7 20.4 24.7 25.4 EH*D-4M10 21.3 26.7 27.6 32.9 EH*D-4M15 Direct 28.8...
Page 38 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 17.5 15.2 18.7 15.7 EH*D-7M10 9.62 17.2 21.5 21.7 EH*D-7M15 14.4 Direct 23.2...
Page 39 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 44.6/44.6 50/50 9.6/8.7 54.2/53.3 60/60 3.3/3.0 47.9/47.6 50/50 9.6/8.7 3.3/3.0 57.5/56.3 60/60 44.6/44.6...
Page 40 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 21.4 25.7 22.4 26.7 21.8 27.2 EH*D-4M10 28.4 29.3 34.7 EH*D-4M15 Direct 30.6...
Page 41 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 18.9 22.4 20.1 23.6 18.9 22.4 EH*D-7M10 9.62 20.1 23.6 27.4 EH*D-7M15 14.4...
Page 42 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 47.8/47.8 60/60 9.6/8.7 57.4/56.5 70/70 3.3/3.0 51.1/50.8 60/60 9.6/8.7 3.3/3.0 60.7/59.5 70/70 47.8/47.8...
Page 43 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 27.3 28.3 27.3 EH*D-4M10 28.4 29.3 34.7 EH*D-4M15 30.6 35.9 Direct 36.8 Drive...
Page 44 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 16.9 20.4 18.1 21.6 21.4 EH*D-7M10 9.62 18.5 22.9 27.4 EH*D-7M15 14.4 24.5...
Page 45 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 60.7/60.7 70/70 9.6/8.7 70.3/69.4 80/80 3.3/3.0 64.0/63.7 70/70 9.6/8.7 3.3/3.0 73.6/72.4 80/80 60.7/60.7...
Page 46 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 32.3 36.6 33.3 37.6 32.3 36.6 EH*D-4M10 33.3 37.6 32.3 36.9 EH*D-4M15 33.3...
Page 47 APPENDIX B ELECTRICAL DATA Optional Powered Optional Electrical Compressor Outdoor Fan Motor Indoor Fan Motor Optional Electric Heat Convienience Power Power Supply Model Number Rating Outlet Exhaust Type Part # 28.7 32.2 29.9 33.4 28.7 32.2 EH*D-7M10 9.62 29.9 33.4 28.7 32.2 EH*D-7M15...
Page 48: Appendix C Unit Dimensions
APPENDIX C UNIT DIMENSIONS 93-9/64" 59-21/32" Model Dim. "A" 93-51/64" 60-17/32" 7.5 Ton AC 54-9/20 8.5 Ton AC 54-9/20 10 Ton AC 54-9/20 12.5 Ton AC 58-3/5 19-11/16 2-3/8 6-5/8 RETURN 12-5/8" X 36-3/8" DRAIN THRU 7-1/4 CURB LOCATION RETURN 12-5/8"...
Page 49: Appendix D Wiring Diagrams
APPENDIX D WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
Page 50 APPENDIX D WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
Page 51 APPENDIX D WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
Page 52 APPENDIX D WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
Page 53: Appendix E Airflow For Electric Heat
APPENDIX E AIRFLOW FOR ELECTRIC HEAT AIR FLOW FOR ELECTRIC HEAT HEATER KIT MODEL NUMBER NOMENCLATURE 6, 7 HEATER KIT MINIMUM MAXIMUM UNIT MODEL Electric NUMBER EH*D-*M10 Heater EH*D-*M15 Staged EH*D-*M20 2500 3750 SCR (modulating) EH*D-*M30 Drive System EH*D-*M45 Belt Drive Direct Drive EH*D-*M10 Voltage...
Page 56 CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page. Our continuing commitment to quality products may mean a change in specifications without notice.

Daikin DRC Series Installation Instructions Manual

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